pyobjc / pyobjc-core / PyObjCTest / test_set_interface.py

"""
Tests if NSSet conforms to the interface of the python type set()

This is a port of the set tests from the Python stdlib for 3.2
"""
from PyObjCTools.TestSupport import *

import objc
import operator
NSSet = objc.lookUpClass('NSSet')
NSMutableSet = objc.lookUpClass('NSMutableSet')

import test.test_set
from test.test_set import PassThru, check_pass_thru
test.test_set.empty_set = NSMutableSet()


import sys
if sys.version_info[0] == 3:
    unicode = str
    def xrange(*args):
        return list(range(*args))




class TestSet (test.test_set.TestJointOps, TestCase):
    thetype = NSSet
    basetype = NSSet

    def test_cyclical_print(self): pass
    def test_cyclical_repr(self): pass
    def test_pickling(self): pass
    def test_do_not_rehash_dict_keys(self): pass
    def test_badcmp(self): pass
    def test_subclass_with_custom_hash(self): pass
    def test_iterator_pickling(self): pass

    def test_deepcopy(self):
        # XXX: is it possible to get this to work?
        pass

    def test_union(self):
        # Same test as inherrited in python 2.7, but without
        # type equality tests
        u = self.s.union(self.otherword)
        for c in self.letters:
            self.assertEqual(c in u, c in self.d or c in self.otherword)

        self.assertEqual(self.s, self.thetype(self.word))
        #self.assertEqual(type(u), self.thetype)
        self.assertIsInstance(u, self.thetype)
        self.assertRaises(PassThru, self.s.union, check_pass_thru())
        self.assertRaises(TypeError, self.s.union, [[]])
        for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
            self.assertEqual(self.thetype('abcba').union(C('cdc')), set('abcd'))
            self.assertEqual(self.thetype('abcba').union(C('efgfe')), set('abcefg'))
            self.assertEqual(self.thetype('abcba').union(C('ccb')), set('abc'))
            self.assertEqual(self.thetype('abcba').union(C('ef')), set('abcef'))
            self.assertEqual(self.thetype('abcba').union(C('ef'), C('fg')), set('abcefg'))

        # Issue #6573
        x = self.thetype()
        self.assertEqual(x.union(set([1]), x, set([2])), self.thetype([1, 2]))

    def test_symmetric_difference(self):
        i = self.s.symmetric_difference(self.otherword)
        for c in self.letters:
            self.assertEqual(c in i, (c in self.d) ^ (c in self.otherword))
        self.assertEqual(self.s, self.thetype(self.word))
        #self.assertEqual(type(i), self.thetype)
        self.assertIsInstance(i, self.thetype)
        self.assertRaises(PassThru, self.s.symmetric_difference, check_pass_thru())
        self.assertRaises(TypeError, self.s.symmetric_difference, [[]])
        for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
            self.assertEqual(self.thetype('abcba').symmetric_difference(C('cdc')), set('abd'))
            self.assertEqual(self.thetype('abcba').symmetric_difference(C('efgfe')), set('abcefg'))
            self.assertEqual(self.thetype('abcba').symmetric_difference(C('ccb')), set('a'))
            self.assertEqual(self.thetype('abcba').symmetric_difference(C('ef')), set('abcef'))

    def test_difference(self):
        i = self.s.difference(self.otherword)
        for c in self.letters:
            self.assertEqual(c in i, c in self.d and c not in self.otherword)
        self.assertEqual(self.s, self.thetype(self.word))
        #self.assertEqual(type(i), self.thetype)
        self.assertIsInstance(i, self.thetype)
        self.assertRaises(PassThru, self.s.difference, check_pass_thru())
        self.assertRaises(TypeError, self.s.difference, [[]])
        for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
            self.assertEqual(self.thetype('abcba').difference(C('cdc')), set('ab'))
            self.assertEqual(self.thetype('abcba').difference(C('efgfe')), set('abc'))
            self.assertEqual(self.thetype('abcba').difference(C('ccb')), set('a'))
            self.assertEqual(self.thetype('abcba').difference(C('ef')), set('abc'))
            self.assertEqual(self.thetype('abcba').difference(), set('abc'))
            self.assertEqual(self.thetype('abcba').difference(C('a'), C('b')), set('c'))

    def test_intersection(self):
        i = self.s.intersection(self.otherword)
        for c in self.letters:
            self.assertEqual(c in i, c in self.d and c in self.otherword)
        self.assertEqual(self.s, self.thetype(self.word))
        #self.assertEqual(type(i), self.thetype)
        self.assertIsInstance(i, self.thetype)
        self.assertRaises(PassThru, self.s.intersection, check_pass_thru())
        for C in set, frozenset, dict.fromkeys, str, unicode, list, tuple:
            self.assertEqual(self.thetype('abcba').intersection(C('cdc')), set('cc'))
            self.assertEqual(self.thetype('abcba').intersection(C('efgfe')), set(''))
            self.assertEqual(self.thetype('abcba').intersection(C('ccb')), set('bc'))
            self.assertEqual(self.thetype('abcba').intersection(C('ef')), set(''))
            self.assertEqual(self.thetype('abcba').intersection(C('cbcf'), C('bag')), set('b'))
        s = self.thetype('abcba')
        z = s.intersection()
        if self.thetype == frozenset():
            self.assertEqual(id(s), id(z))
        else:
            self.assertNotEqual(id(s), id(z))

    def test_creation_from_sets(self):
        s1 = {1, 2, 3}
        s2 = frozenset({3, 4, 5})

        s = self.thetype(s1)
        self.assertIsInstance(s, self.thetype)
        self.assertEqual(s, s1)

        s = self.thetype(s2)
        self.assertIsInstance(s, self.thetype)
        self.assertEqual(s, s2)

        n  = self.thetype(s)
        self.assertIsInstance(n, self.thetype)
        self.assertEqual(n, s)
        
    def test_copy(self):
        dup = self.s.copy()
        self.assertEqual(id(self.s), id(dup))

    def test_as_list(self):
        l = list(self.s)
        self.assertIsInstance(l, list)
        self.assertEqual(len(l), len(self.s))
        for item in l:
            self.assertIn(item, self.s)

    @onlyPython2
    def test_cmp_function(self):
        self.assertRaises(TypeError, cmp, self.s, 'hello')
        self.assertRaises(TypeError, self.s.__cmp__, self.s)



class TestMutableSet (TestSet, test.test_set.TestSet):
    thetype = NSMutableSet
    basetype = NSMutableSet

    def test_copy(self):
        #dup = self.s.copy()
        dup = self.s.mutableCopy()
        self.assertEqual(self.s, dup)
        self.assertNotEqual(id(self.s), id(dup))
        #self.assertEqual(type(dup), self.basetype)
        self.assertIsInstance(dup, self.basetype)

    # Tests from 'TestSet'
    def test_init(self): pass
    def test_hash(self): pass
    def test_weakref(self): pass
    def test_iterator_pickling(self): pass

class TestBasicOpsEmpty (test.test_set.TestBasicOps):
    def setUp(self):
        self.case   = "empty set"
        self.values = []
        self.set    = NSMutableSet(self.values)
        self.dup    = NSMutableSet(self.values)
        self.length = 0
        self.repr   = "{(\n)}"

    def test_pickling(self): pass

class TestBasicOpsSingleton (test.test_set.TestBasicOps):
    def setUp(self):
        self.case   = "unit set (number)"
        self.values = [3]
        self.set    = NSMutableSet(self.values)
        self.dup    = NSMutableSet(self.values)
        self.length = 1
        self.repr   = "{(\n    3\n)}"
        test.test_set.set = NSMutableSet

    def tearDown(self):
        del test.test_set.set

    def test_pickling(self): pass

class TestBasicOpsTuple (test.test_set.TestBasicOps):
    def setUp(self):
        self.case   = "unit set (tuple)"
        self.values = [(0, "zero")]
        self.set    = NSMutableSet(self.values)
        self.dup    = NSMutableSet(self.values)
        self.length = 1
        self.repr   = "{(\n        (\n        0,\n        zero\n    )\n)}"
        test.test_set.set = NSMutableSet

    def tearDown(self):
        del test.test_set.set

    def test_pickling(self): pass

class TestBasicOpsTriple (test.test_set.TestBasicOps):
    def setUp(self):
        self.case   = "triple set"
        self.values = [0, "zero", operator.add]
        self.set    = NSMutableSet(self.values)
        self.dup    = NSMutableSet(self.values)
        self.length = 3
        self.repr   = None

        test.test_set.set = NSMutableSet

    def tearDown(self):
        del test.test_set.set


    def test_pickling(self): pass

class TestBinaryOps (test.test_set.TestBinaryOps):
    def setUp(self):
        self.set = NSMutableSet((2, 4, 6))

class TestUpdateOps (test.test_set.TestUpdateOps):
    def setUp(self):
        self.set = NSMutableSet((2, 4, 6))

class TestMutate (test.test_set.TestMutate):
    def setUp(self):
        self.values = ["a", "b", "c"]
        self.set = NSMutableSet(self.values)

        test.test_set.set = NSMutableSet

    def tearDown(self):
        del test.test_set.set

class TestSubsetEqualEmpty (test.test_set.TestSubsetEqualEmpty):
    left = NSMutableSet()
    right = NSMutableSet()


class TestSubsetEqualNonEmpty (test.test_set.TestSubsetEqualNonEmpty):
    left  = NSMutableSet([1, 2])
    right = NSMutableSet([1, 2])


class TestSubsetPartial (test.test_set.TestSubsetPartial):
    left  = NSMutableSet([1])
    right = NSMutableSet([1, 2])

class TestOnlySetsNumeric (test.test_set.TestOnlySetsNumeric):
    def setUp(self):
        self.set   = NSMutableSet((1, 2, 3))
        self.other = 19
        self.otherIsIterable = False

class TestOnlySetsOperator (test.test_set.TestOnlySetsOperator):
    def setUp(self):
        self.set   = NSMutableSet((1, 2, 3))
        self.other = operator.add
        self.otherIsIterable = False


class TestOnlySetsTuple (test.test_set.TestOnlySetsTuple):
    def setUp(self):
        self.set   = NSMutableSet((1, 2, 3))
        self.other = (2, 4, 6)
        self.otherIsIterable = True

class TestOnlySetsString (test.test_set.TestOnlySetsString):
    def setUp(self):
        def gen():
            for i in range(0, 10, 2):
                yield i
        self.set   = NSMutableSet((1, 2, 3))
        self.other = gen()
        self.otherIsIterable = True

class TestIdentities (test.test_set.TestIdentities):
    def setUp(self):
        self.a = NSMutableSet('abracadabra')
        self.b = NSMutableSet('alacazam')


class TestVariousIteratorArgs (test.test_set.TestVariousIteratorArgs):
    def setUp(self):
        test.test_set.set = NSMutableSet

    def tearDown(self):
        del test.test_set.set

    def test_inplace_methods(self):
        for data in ("123", "", range(1000), ('do', 1.2), xrange(2000,2200,5), 'december'):
            for methname in ('update', 'intersection_update', 'difference_update', 'symmetric_difference_update'):
                for g in (test.test_set.G, test.test_set.I, test.test_set.Ig, test.test_set.S, test.test_set.L, test.test_set.R):
                    #s = set('january')
                    s = NSMutableSet('january')
                    #t = s.copy()
                    t = s.mutableCopy()
                    getattr(s, methname)(list(g(data)))
                    getattr(t, methname)(g(data))
                    self.assertEqual(sorted(s, key=repr), sorted(t, key=repr))

                self.assertRaises(TypeError, getattr(set('january'), methname), test.test_set.X(data))
                self.assertRaises(TypeError, getattr(set('january'), methname), test.test_set.N(data))
                self.assertRaises(ZeroDivisionError, getattr(set('january'), methname), test.test_set.E(data))






class TestGraphs (test.test_set.TestGraphs):
    def setUp(self):
        test.test_set.set = NSMutableSet

    def tearDown(self):
        del test.test_set.set









if __name__ == "__main__":
    main()
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